TUS sample (n = 383778) | Matched health sample (n = 71824) | |||||||
---|---|---|---|---|---|---|---|---|
n | OR | (a) | (b) | n | OR | (a) | (b) | |
Data are from the US Department of Commerce, Census Bureau, National Cancer Institute Sponsored Tobacco Use Supplement to the Current Population Survey, 1992–1999. | ||||||||
The matched health sample refers to a roughly 1 of 6 random sub-sample for whom extended survey data on health status were available. | ||||||||
Health status controls are a set of five dummy variables for self reported health status (fair, poor, good, very good, excellent) and a dummy for disability status. | ||||||||
All models also control for age, education, race, ethnicity, marital status, number of children, occupation, industry, metropolitan statistical area, state, and month/year. | ||||||||
Column (a) displays the p value for the test of significance of the odds ratio (OR) relative to the referent “never smoker”. | ||||||||
Column (b) displays the p value for the test of equality between the indicated OR and “current smoker”. | ||||||||
“Former smoker unspecified” refers to former smokers for whom length of time since quit was indeterminable. | ||||||||
Never smoker | 207924 | 1.000 | 40055 | 1.000 | ||||
Current smoker | 96266 | 1.371 | 0.000 | NA | 17122 | 1.353 | 0.000 | NA |
Quit 0–3 months ago | 2494 | 3.26 | 0.000 | 0.000 | 501 | 2.634 | 0.000 | 0.000 |
Quit 3–6 months ago | 1468 | 1.499 | 0.005 | 0.535 | 298 | 1.178 | 0.616 | 0.673 |
Quit 6–9 months ago | 1531 | 1.906 | 0.000 | 0.010 | 279 | 1.874 | 0.025 | 0.247 |
Quit 9–12 months ago | 635 | 1.584 | 0.035 | 0.509 | 84 | 2.987 | 0.011 | 0.066 |
Quit 1–4 years ago | 12395 | 1.338 | 0.000 | 0.666 | 2182 | 1.168 | 0.219 | 0.253 |
Quit 5–9 years ago | 11755 | 1.216 | 0.001 | 0.048 | 1973 | 1.233 | 0.106 | 0.481 |
Quit 10–14 years ago | 10860 | 1.205 | 0.003 | 0.044 | 2013 | 1.492 | 0.001 | 0.425 |
Quit 15+ years ago | 21678 | 1.237 | 0.000 | 0.033 | 4286 | 1.293 | 0.007 | 0.643 |
Former smoker unsp | 16772 | 1.173 | 0.003 | 0.005 | 3031 | 1.063 | 0.614 | 0.051 |
Includes health controls? | No | Yes |